<template>
  <div>
    <!-- 面包屑导航区 -->
    <el-breadcrumb separator-class="el-icon-arrow-right">
      <el-breadcrumb-item :to="{ path: '/home' }">首页</el-breadcrumb-item>
      <el-breadcrumb-item>商品管理</el-breadcrumb-item>
      <el-breadcrumb-item>商品列表</el-breadcrumb-item>
    </el-breadcrumb>
    <!-- 卡片视图区域 -->
    <el-card>
      <!--  搜索框和添加区域 -->
      <el-row>
        <el-col :span="8">
          <el-input
            placeholder="请输入内容"
            v-model="queryInfo.query"
            @keyup.enter.native="getGoodsList"
            clearable
            @clear="getGoodsList"
          >
            <el-button
              slot="append"
              icon="el-icon-search"
              @click="getGoodsList"
            ></el-button>
          </el-input>
        </el-col>
        <el-col :span="4">
          <el-button type="primary" @click="goAddPage">添加商品</el-button>
        </el-col>
      </el-row>
      <!-- table 表格区域 -->
      <el-table :data="goodslist" border stripe>
        <!-- 索引列 -->
        <el-table-column type="index"></el-table-column>
        <el-table-column label="商品名称" prop="goods_name"></el-table-column>
        <el-table-column
          label="商品价格(元)"
          prop="goods_price"
          width="95px"
        ></el-table-column>
        <el-table-column
          label="商品重量"
          prop="goods_weight"
          width="70px"
        ></el-table-column>
        <el-table-column label="创建时间" prop="add_time" width="140px">
          <template slot-scope="scope">
            <!-- 使用过滤器格式化时间 -->
            {{ scope.row.add_time | dateFormat }}
          </template>
        </el-table-column>
        <el-table-column label="操作" width="130px">
          <template slot-scope="">
            <el-button type="primary" icon="el-icon-edit" size="mini">
            </el-button>
            <el-button
              type="danger"
              icon="el-icon-delete"
              size="mini"
              @click="removeById(scope.row.goods_id)"
            >
            </el-button>
          </template>
        </el-table-column>
      </el-table>
      <!-- 分页区域 -->
      <el-pagination
        @size-change="handleSizeChange"
        @current-change="handleCurrentChange"
        :current-page="queryInfo.pagenum"
        :page-sizes="[5, 10, 15, 20]"
        :page-size="queryInfo.pagesize"
        layout="total, sizes, prev, pager, next, jumper"
        :total="total"
        background
      >
      </el-pagination>
    </el-card>
  </div>
</template>

<script>
  export default {
    data() {
      return {
        // 查询参数对象
        queryInfo: {
          query: '',
          pagenum: 1,
          pagesize: 10,
        },
        //   商品列表
        goodslist: [],
        //   总数据条数
        total: 0,
      }
    },
    created() {
      //   获取商品列表
      this.getGoodsList()
    },
    methods: {
      //   根据分页获取对应的商品列表
      async getGoodsList() {
        const { data: res } = await this.$http.get('goods', {
          params: this.queryInfo,
        })
        if (res.meta.status !== 200) {
          return this.$message.error('获取商品列表失败')
        }
        this.goodslist = res.data.goods
        this.total = res.data.total
        console.log('res.date', res.data)
      },
      //
      handleSizeChange(newSize) {
        this.queryInfo.pagesize = newSize
        this.getGoodsList()
      },
      //
      handleCurrentChange(newPage) {
        this.queryInfo.pagenum = newPage
        this.getGoodsList()
      },
      // 点击删除按钮触发该事件
      async removeById(id) {
        const confirmResult = await this.$confirm(
          '此操作将永久删除该文商品, 是否继续?',
          '提示',
          {
            confirmButtonText: '确定',
            cancelButtonText: '取消',
            type: 'warning',
          }
        ).catch((err) => err)

        if (confirmResult !== 'confirm') {
          return this.$message.info('已取消删除')
        }

        const { data: res } = await this.$http.delete(`goods/${id}`)
        if (res.meta.status !== 200) {
          return this.$message.error('删除商品失败')
        }
        this.$message.success('删除商品成功')
      },
      // 点击添加商品按钮触发事件
      goAddPage() {
        this.$router.push('/goods/add')
      },
    },
  }
</script>

<style lang="less" scoped>
.el-col {
  margin-right: 15px;
}
</style>
